package com.fi.common.http;

import java.io.*;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import com.fi.common.exception.ExceptionUtils;

import fivm.cross.platform.steamobj.base.FiBaseSerializableToStream;

/**
 * 随便在网上抄一个http的请求
 * */
public class FiHttpRequest {
    //request请求的Json数据参数名
    public static final String RequestJsonParamKeyName="fiJson";


    public static String sendGet(String url, FiBaseSerializableToStream jsonObj) {
        String encodeParam=String.format("%s=%s", RequestJsonParamKeyName
                ,URLEncoder.encode(jsonObj.toString()));
        return sendGet(url,encodeParam);
    }

    public static String sendGet(String url, HashMap<String,String> params) throws UnsupportedEncodingException {
        String toParam="";
        Iterator<Map.Entry<String, String>> entries = params.entrySet().iterator();
        while (entries.hasNext()) {
            Map.Entry<String, String> entry = entries.next();
            //toParam+=String.format("%s=%s&", entry.getKey(),entry.getValue());
            toParam+=String.format("%s=%s&", URLEncoder.encode(entry.getKey(), "utf-8"), URLEncoder.encode(entry.getValue(), "utf-8"));
        }
        return sendGet(url,toParam);
    }

    /**
     * 向指定URL发送GET方法的请求
     *
     * @param url
     *            发送请求的URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return URL 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param) {
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString="";
            if(param==null || param.equals("")){
                urlNameString=url;
            }else{
                urlNameString = url + "?" + param;
            }

            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            connection.setConnectTimeout(10 * 1000);
            connection.setReadTimeout(10 * 1000);
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            ExceptionUtils.NativeLog(e);
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                ExceptionUtils.NativeLog(e2);
            }
        }
        return result;
    }

    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url
     *            发送请求的 URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, HashMap<String,String> params) throws UnsupportedEncodingException {
        String toParam="";
        Iterator<Map.Entry<String, String>> entries = params.entrySet().iterator();
        while (entries.hasNext()) {
            Map.Entry<String, String> entry = entries.next();
            //toParam+=String.format("%s=%s&", entry.getKey(),entry.getValue());
            toParam+=String.format("%s=%s&", URLEncoder.encode(entry.getKey(), "utf-8"), URLEncoder.encode(entry.getValue(), "utf-8"));
        }
        return sendPost(url,toParam);
    }
    public static String sendPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(

                    new InputStreamReader(conn.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            ExceptionUtils.NativeLog(e);
        }
        //使用finally块来关闭输出流、输入流
        finally{
            try{
                if(out!=null){
                    out.close();
                }
                if(in!=null){
                    in.close();
                }
            }
            catch(IOException e){
                ExceptionUtils.NativeLog(e);
            }
        }
        return result;
    }
}